- Films
- 11
- Avg rating
- 5.71
- Peak run
- 2009’19
Every film, by IMDb rating
The career
Dot size shows IMDb votes. Films with fewer than 1,000 votes sit on the baseline.
As an actor, films with 1,000+ votes
Sierra by the numbers
Average
5.71
9 rated films
Vote weighted
5.76
bigger films count more
Median
5.9
half are better
Consistency
±0.91
rating spread
Career
17y
2009 to 2025
Total votes
175K
across every film
Best
6.7
The Vast of Night
Worst
5.4
Land of the Lost
Newest first
Filmography
| 2025 |  Killing Mary Sue | Mary Sue Harper | 5.1 | 1,119 |
| 2025 | After All | Monica | 6.8 | 1,434 |
| 2023 | Camp | Lily | · | 339 |
| 2022 | Exploited | Chloe | 4.4 | 1,407 |
| 2021 | We Need to Do Something | Melissa | 4.5 | 4,363 |
| 2019 |  The Vast of Night | Fay Crocker | 6.7 | 51,348 |
| 2019 | All Good Things | Bailey | · | 283 |
| 2019 |  VFW | Lizard | 6.1 | 10,485 |
| 2018 | The Christmas Trap | Kara Gentry | 5.9 | 1,885 |
| 2010 |  Ramona and Beezus | Susan | 6.5 | 21,363 |
| 2009 |  Land of the Lost | Tar Pits Kid | 5.4 | 81,023 |
Takes
On Sierra McCormick
Information courtesy of IMDb (https://www.imdb.com). Used with permission. Ratings and votes as of the latest nightly refresh.